Houdini和Nuke视觉特效课程 Gumroad – Ash Disintegration – Houdini & Nuke VFX Course

欢迎新的 Houdini 课程：灰烬架构

效果是通过一种方法实现的，该方法本质上就是这种同时运行的两个不同的模拟分层。

压裂

我们将首先使用自定义断裂方法对玫瑰几何体进行断裂，该方法将常见的voronoi工作流程与布尔断裂方法相结合。

自定义模拟器

在我们断裂几何体之后，我们将运行第一个模拟，该模拟将在我们的断裂件上运行，我们将创建一个

驱动这个模拟的人体工学装置。

第一次模拟

然后，在这个上面的模拟中，我们将运行第二次模拟，让每一个单独的碎片变成更小的碎片，并随着时间的逐渐完全消失。

所以本质上，几何体首先会分割成大块，然后这些块会分割成更小的块，我们将能够控制

模拟之间的过渡是无缝的。

渲染

完成所有几何体和效果后，我们将使用 Redshift 渲染一些通道。在本节中，我传入介绍如何导出自定义 AOV，例如纹理纹理和 houdini 点属性。

nuke合成

然后我们将把 Nuke 中的所有内容引入到最终的结果中。

在这里，我将介绍如何利用我们生成的 AOV 来完全控制最终外观的各个方面。


下载

您将在下载中包含所需的所有几何图形。我无法包含所有其他内容（例如 Megascans 纹理），您可以使用链接记事本中提供的链接找到。

下载文档还包括完整的 Houdini 项目文件（版本 19.0.589）

课程时长：3小时36分钟 1920X1080 mp4 语言：英语+中英文字幕（云桥网络 机译）含课程文件

Welcome to a new Houdini Course: Ash Disintegration

This effect is achieved through a method which is essentially layering two different simulations that run at the same time.

Fracturing

We will start by fracturing the rose geometry, using a custom fracture method, which combines the common voronoi workflow with the boolean fracturing method.

Custom Solver

After we fracture the geometry, we are going to run the first simulation which will operate on our fractured pieces, and we are going to create a

custom solver that drives this simulation.

First Simulation

And then on top of this simulation we will run a second simulation that will make each individual fractured piece turn into even smaller pieces that disappear entirely over time.

So essentially, the geoemtry will first disintegrate into big pieces, and then these pieces will disintegrate into even smaller pieces, and we will be able to control

this transition between simulations seamlessly.

Rendering

After we set up all of the geometry and effects, we will render a few passes using Redshift. In this section I also go over how to export custom AOVs such as custom textures and houdini point attributes.

Nuke Compositing

Then we will bring everything inside of Nuke to create the final result.

Here I go over how to leverage the AOVs that we generated to have complete control over all aspects of the final look.

Downloads

You will have all the geometry required included with the downloads. Everything else that I couldn’t include (like megascans texture) you will be able to find by using the links provided in the links notepad.

The download archive also include the completed Houdini project file (ver. 19.0.589)